CNS5:Oligodendroglioma, IDH-mutant and 1p/19q-codeleted: Difference between revisions

|Positive (universal)||Retained nuclear ATRX<ref name=":5">{{Cite journal|last=Liu|first=Xiao-Yang|last2=Gerges|first2=Noha|last3=Korshunov|first3=Andrey|last4=Sabha|first4=Nesrin|last5=Khuong-Quang|first5=Dong-Anh|last6=Fontebasso|first6=Adam M.|last7=Fleming|first7=Adam|last8=Hadjadj|first8=Djihad|last9=Schwartzentruber|first9=Jeremy|date=2012-11|title=Frequent ATRX mutations and loss of expression in adult diffuse astrocytic tumors carrying IDH1/IDH2 and TP53 mutations|url=https://pubmed.ncbi.nlm.nih.gov/22886134|journal=Acta Neuropathologica|volume=124|issue=5|pages=615–625|doi=10.1007/s00401-012-1031-3|issn=1432-0533|pmid=22886134}}</ref>, OLIG2<ref name=":21">{{Cite journal|last=Ligon|first=Keith L.|last2=Alberta|first2=John A.|last3=Kho|first3=Alvin T.|last4=Weiss|first4=Jennifer|last5=Kwaan|first5=Mary R.|last6=Nutt|first6=Catherine L.|last7=Louis|first7=David N.|last8=Stiles|first8=Charles D.|last9=Rowitch|first9=David H.|date=2004-05|title=The oligodendroglial lineage marker OLIG2 is universally expressed in diffuse gliomas|url=https://pubmed.ncbi.nlm.nih.gov/15198128|journal=Journal of Neuropathology and Experimental Neurology|volume=63|issue=5|pages=499–509|doi=10.1093/jnen/63.5.499|issn=0022-3069|pmid=15198128}}</ref>, S100<ref name=":22">{{Cite journal|last=Reifenberger|first=G.|last2=Szymas|first2=J.|last3=Wechsler|first3=W.|date=1987|title=Differential expression of glial- and neuronal-associated antigens in human tumors of the central and peripheral nervous system|url=https://pubmed.ncbi.nlm.nih.gov/3314309|journal=Acta Neuropathologica|volume=74|issue=2|pages=105–123|doi=10.1007/BF00692841|issn=0001-6322|pmid=3314309}}</ref>, MAP2<ref name=":23">{{Cite journal|last=Blümcke|first=I.|last2=Becker|first2=A. J.|last3=Normann|first3=S.|last4=Hans|first4=V.|last5=Riederer|first5=B. M.|last6=Krajewski|first6=S.|last7=Wiestler|first7=O. D.|last8=Reifenberger|first8=G.|date=2001-10|title=Distinct expression pattern of microtubule-associated protein-2 in human oligodendrogliomas and glial precursor cells|url=https://pubmed.ncbi.nlm.nih.gov/11589429|journal=Journal of Neuropathology and Experimental Neurology|volume=60|issue=10|pages=984–993|doi=10.1093/jnen/60.10.984|issn=0022-3069|pmid=11589429}}</ref>, SOX10<ref name=":24">{{Cite journal|last=Bannykh|first=Sergei I.|last2=Stolt|first2=C. Claus|last3=Kim|first3=Jung|last4=Perry|first4=Arie|last5=Wegner|first5=Michael|date=2006-01|title=Oligodendroglial-specific transcriptional factor SOX10 is ubiquitously expressed in human gliomas|url=https://pubmed.ncbi.nlm.nih.gov/16205963|journal=Journal of Neuro-Oncology|volume=76|issue=2|pages=115–127|doi=10.1007/s11060-005-5533-x|issn=0167-594X|pmid=16205963}}</ref>

|Positive (subset)||Most positive for IDH1 p.R132H mutation (smaller subset lacking  staining have non-canonical IDH mutation, <10%)<ref name=":25">{{Cite journal|last=Capper|first=David|last2=Zentgraf|first2=Hanswalter|last3=Balss|first3=Jörg|last4=Hartmann|first4=Christian|last5=von Deimling|first5=Andreas|date=2009-11|title=Monoclonal antibody specific for IDH1 R132H mutation|url=https://pubmed.ncbi.nlm.nih.gov/19798509|journal=Acta Neuropathologica|volume=118|issue=5|pages=599–601|doi=10.1007/s00401-009-0595-z|issn=1432-0533|pmid=19798509}}</ref>

Synaptophysin (cytoplasmic dot-like pattern<ref name=":26">{{Cite journal|last=Perry|first=Arie|last2=Burton|first2=Stephanie S.|last3=Fuller|first3=Gregory N.|last4=Robinson|first4=Christopher A.|last5=Palmer|first5=Cheryl A.|last6=Resch|first6=Lothar|last7=Bigio|first7=Eileen H.|last8=Gujrati|first8=Meena|last9=Rosenblum|first9=Marc K.|date=2010-08|title=Oligodendroglial neoplasms with ganglioglioma-like maturation: a diagnostic pitfall|url=https://pubmed.ncbi.nlm.nih.gov/20464403|journal=Acta Neuropathologica|volume=120|issue=2|pages=237–252|doi=10.1007/s00401-010-0695-9|issn=1432-0533|pmc=2892612|pmid=20464403}}</ref>)

*Tumors are frequently asymptomatic and are increasingly found incidentally on imaging for other indications<ref name=":20" />

*Most commonly present with seizures<ref name=":4" />

*Can present with focal neurologic deficits or cognitive changes secondary to increased cranial pressure, especially in the high-grade setting<ref name=":4" />        

*Signs and symptoms - Seizures<ref name=":4" />; Headache; Signs of increased intracranial pressure (Focal neurologic deficits, Cognitive changes); Asymptomatic (increasingly an incidental finding on neuroimaging<ref name=":4" />)

*Laboratory findings - Not applicable

Positive (universal) - Retained nuclear ATRX<ref name=":5" />, OLIG2<ref name=":21" />, S100<ref name=":22" />, MAP2<ref name=":23" />, SOX10<ref name=":24" />

Positive (subset) - Most positive for IDH1 p.R132H mutation (smaller subset lacking staining have non-canonical IDH mutation, <10%)<ref name=":25" />, Synaptophysin (cytoplasmic dot-like pattern<ref name=":26" />)

Negative (universal) - Lack diffuse p53<ref name=":5" />

Negative (subset) - N/A